Home / 779,825.91-1,167,077.34-653,608.74

Finding the Fourth Proportional to 779,825.91, 1,167,077.34 and 653,608.74

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Solution

The fourth proportional to 779,825.91, 1,167,077.34 and 653,608.74 is: 978,182.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,825.91 : 1,167,077.34 = 653,608.74 : x
  2. Step 2: Convert to fraction form
    779,825.91/1,167,077.34 = 653,608.74/x
  3. Step 3: Cross multiply
    779,825.91x = 1,167,077.34 × 653,608.74
  4. Step 4: Simplify right side
    779,825.91x = 762,811,949,679.95
  5. Step 5: Solve for x
    x = 762,811,949,679.95/779,825.91
  6. Step 6: Final answer
    x = 978,182.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.